Dielectric polarization in xPbZn1/3Nb2/3O3-(1-x)PbSc1/2Nb1/2O3 ferroelectric solid solutions -: art. no. 594604

被引：0

作者：

Bormanis, K ^{[1
]}

Kalvane, A ^{[1
]}

Burkhanov, A ^{[1
]}

Alpatov, A ^{[1
]}

Dambekalne, M ^{[1
]}

Shil'nikov, A ^{[1
]}

机构：

[1] Latvian State Univ, Inst Solid State Phys, LV-1063 Riga, Latvia

来源：

Optical Materials and Applications | 2005年 / 5946卷

关键词：

ferroelectrics; solid solutions; polarization; dielectric permittivity; dielectric loss; frequency dispersion;

D O I：

10.1117/12.639062

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Manifestation of relaxor properties in the xPbZn(1/3)Nb(2/3)O(3)-(1- x) PbSc1/2Nb1/2O3 cerainic solid solution system, similar to those observed in lead magnesium niobates, am reported. Dependence of the effective dielectric permittivity and dielectric loss on the temperature at fiequencies of 0.1-10 Hz and different measuring field amplitudes; E-0 are examined in ceramic samples of 0.05PbZn(1/3)Nb(2/3)O(3)-0-95PbSc(1/2)Nb(1/2)O(3). It is demonstrated that the temperature at which the dielectric permittivity has a maximum, T-m, decreases with the increase of E-0. The dependence of T-m on the frequency in both strong and weak fields is shown to follow the Vogel-Fulcher law, with Vogel-Fulcher temperature decreasing with the increase of E-0. The results of the dielectric studies in the xPbZn(1/3)Nb(2/3)O(3)-(1 - x)PbSc1/2Nb1/2O3 system are discussed in terms of the transition from the paraelectric to ferroelectric phase through the relaxor and glass states.

引用

页码：94604 / 94604

页数：6

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